64582216067 has 4 divisors (see below), whose sum is σ = 65491824816. Its totient is φ = 63672607320.

The previous prime is 64582216031. The next prime is 64582216103. The reversal of 64582216067 is 76061228546.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (64582216031) and next prime (64582216103).

It is a cyclic number.

It is not a de Polignac number, because 64582216067 - 2¹² = 64582211971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64582216007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454804268 + ... + 454804409.

It is an arithmetic number, because the mean of its divisors is an integer number (16372956204).

Almost surely, 2^64582216067 is an apocalyptic number.

64582216067 is a deficient number, since it is larger than the sum of its proper divisors (909608749).

64582216067 is an equidigital number, since it uses as much as digits as its factorization.

64582216067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909608748.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 64582216067 in words is "sixty-four billion, five hundred eighty-two million, two hundred sixteen thousand, sixty-seven".